Table 3.

Interrater reliability of assessment tools

Assessment tool	ICC2 (95% CI)
	No training	Rater training
Visual analogue scale	0.46 (0.27–0.75)	0.71 (0.50–0.91)
Task-specific checklist	0.33 (0.17–0.64)	0.46 (0.27–0.75)
Global rating scale	0.61 (0.41–0.85)	0.71 (0.52–0.89)

CI = confidence interval; ICC2 = interclass correlation type 2.